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Finding the Fourth Proportional to 340,429.52, 510,711.48 and 100,547.51

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Solution

The fourth proportional to 340,429.52, 510,711.48 and 100,547.51 is: 150,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,429.52 : 510,711.48 = 100,547.51 : x
  2. Step 2: Convert to fraction form
    340,429.52/510,711.48 = 100,547.51/x
  3. Step 3: Cross multiply
    340,429.52x = 510,711.48 × 100,547.51
  4. Step 4: Simplify right side
    340,429.52x = 51,350,767,642.41
  5. Step 5: Solve for x
    x = 51,350,767,642.41/340,429.52
  6. Step 6: Final answer
    x = 150,841.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.